Fix for bug 46987 - allow RecordFactory to handle non-zero padding at the end of the workbook stream
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@765866 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
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@ -37,6 +37,7 @@
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<!-- Don't forget to update status.xml too! -->
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<!-- Don't forget to update status.xml too! -->
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<release version="3.5-beta6" date="2009-??-??">
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<release version="3.5-beta6" date="2009-??-??">
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<action dev="POI-DEVELOPERS" type="fix">46987 - Allow RecordFactory to handle non-zero padding at the end of the workbook stream</action>
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<action dev="POI-DEVELOPERS" type="fix">47034 - Fix reading the name of a NameRecord when the name is very long</action>
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<action dev="POI-DEVELOPERS" type="fix">47034 - Fix reading the name of a NameRecord when the name is very long</action>
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<action dev="POI-DEVELOPERS" type="fix">47001 - Fixed WriteAccessRecord and LinkTable to handle unusual format written by Google Docs</action>
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<action dev="POI-DEVELOPERS" type="fix">47001 - Fixed WriteAccessRecord and LinkTable to handle unusual format written by Google Docs</action>
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<action dev="POI-DEVELOPERS" type="fix">46973 - Fixed defined names to behave better when refersToFormula is unset</action>
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<action dev="POI-DEVELOPERS" type="fix">46973 - Fixed defined names to behave better when refersToFormula is unset</action>
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@ -34,6 +34,7 @@
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<!-- Don't forget to update changes.xml too! -->
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<!-- Don't forget to update changes.xml too! -->
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<changes>
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<changes>
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<release version="3.5-beta6" date="2009-??-??">
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<release version="3.5-beta6" date="2009-??-??">
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<action dev="POI-DEVELOPERS" type="fix">46987 - Allow RecordFactory to handle non-zero padding at the end of the workbook stream</action>
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<action dev="POI-DEVELOPERS" type="fix">47034 - Fix reading the name of a NameRecord when the name is very long</action>
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<action dev="POI-DEVELOPERS" type="fix">47034 - Fix reading the name of a NameRecord when the name is very long</action>
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<action dev="POI-DEVELOPERS" type="fix">47001 - Fixed WriteAccessRecord and LinkTable to handle unusual format written by Google Docs</action>
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<action dev="POI-DEVELOPERS" type="fix">47001 - Fixed WriteAccessRecord and LinkTable to handle unusual format written by Google Docs</action>
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<action dev="POI-DEVELOPERS" type="fix">46973 - Fixed defined names to behave better when refersToFormula is unset</action>
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<action dev="POI-DEVELOPERS" type="fix">46973 - Fixed defined names to behave better when refersToFormula is unset</action>
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@ -17,6 +17,7 @@
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package org.apache.poi.hssf.record;
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package org.apache.poi.hssf.record;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStream;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.InvocationTargetException;
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@ -32,6 +33,7 @@ import java.util.Set;
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import org.apache.poi.hssf.record.chart.*;
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import org.apache.poi.hssf.record.chart.*;
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import org.apache.poi.hssf.record.pivottable.*;
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import org.apache.poi.hssf.record.pivottable.*;
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import org.apache.poi.util.HexDump;
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/**
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/**
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* Title: Record Factory<P>
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* Title: Record Factory<P>
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@ -348,6 +350,22 @@ public final class RecordFactory {
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return result;
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return result;
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}
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}
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private static void checkZeros(InputStream in, int avail) throws IOException {
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int count=0;
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while(true) {
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int b = in.read();
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if (b < 0) {
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break;
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}
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if (b!=0) {
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System.err.print(HexDump.byteToHex(b));
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}
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count++;
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}
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if (avail != count) {
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System.err.println("avail!=count (" + avail + "!=" + count + ").");
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}
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}
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/**
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/**
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* Create an array of records from an input stream
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* Create an array of records from an input stream
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*
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*
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@ -364,14 +382,48 @@ public final class RecordFactory {
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RecordInputStream recStream = new RecordInputStream(in);
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RecordInputStream recStream = new RecordInputStream(in);
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DrawingRecord lastDrawingRecord = new DrawingRecord( );
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DrawingRecord lastDrawingRecord = new DrawingRecord( );
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Record lastRecord = null;
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Record lastRecord = null;
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/*
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* How to recognise end of stream?
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* In the best case, the underlying input stream (in) ends just after the last EOF record
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* Usually however, the stream is padded with an arbitrary byte count. Excel and most apps
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* reliably use zeros for padding and if this were always the case, this code could just
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* skip all the (zero sized) records with sid==0. However, bug 46987 shows a file with
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* non-zero padding that is read OK by Excel (Excel also fixes the padding).
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*
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* So to properly detect the workbook end of stream, this code has to identify the last
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* EOF record. This is not so easy because the worbook bof+eof pair do not bracket the
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* whole stream. The worksheets follow the workbook, but it is not easy to tell how many
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* sheet sub-streams should be present. Hence we are looking for an EOF record that is not
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* immediately followed by a BOF record. One extra complication is that bof+eof sub-
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* streams can be nested within worksheet streams and it's not clear in these cases what
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* record might follow any EOF record. So we also need to keep track of the bof/eof
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* nesting level.
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*/
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int bofDepth=0;
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boolean lastRecordWasEOFLevelZero = false;
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while (recStream.hasNextRecord()) {
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while (recStream.hasNextRecord()) {
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recStream.nextRecord();
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recStream.nextRecord();
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if (recStream.getSid() == 0) {
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if (lastRecordWasEOFLevelZero && recStream.getSid() != BOFRecord.sid) {
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// After EOF, Excel seems to pad block with zeros
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// Normally InputStream (in) contains only zero padding after this point
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continue;
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break;
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}
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}
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Record record = createSingleRecord(recStream);
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Record record = createSingleRecord(recStream);
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lastRecordWasEOFLevelZero = false;
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if (record instanceof BOFRecord) {
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bofDepth++;
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records.add(record);
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continue;
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}
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if (record instanceof EOFRecord) {
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bofDepth--;
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records.add(record);
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if (bofDepth<1) {
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lastRecordWasEOFLevelZero = true;
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}
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continue;
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}
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if (record instanceof DBCellRecord) {
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if (record instanceof DBCellRecord) {
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// Not needed by POI. Regenerated from scratch by POI when spreadsheet is written
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// Not needed by POI. Regenerated from scratch by POI when spreadsheet is written
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continue;
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continue;
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@ -6,7 +6,7 @@
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(the "License"); you may not use this file except in compliance with
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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distributed under the License is distributed on an "AS IS" BASIS,
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@ -19,11 +19,16 @@ package org.apache.poi.hssf.record;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.ByteArrayOutputStream;
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import java.util.List;
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import java.io.IOException;
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import java.util.Iterator;
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import java.io.InputStream;
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import java.util.Arrays;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import junit.framework.AssertionFailedError;
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import junit.framework.TestCase;
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import junit.framework.TestCase;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.util.HexRead;
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import org.apache.poi.util.HexRead;
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/**
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/**
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@ -35,173 +40,215 @@ import org.apache.poi.util.HexRead;
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public final class TestRecordFactory extends TestCase {
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public final class TestRecordFactory extends TestCase {
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/**
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/**
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* TEST NAME: Test Basic Record Construction <P>
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* TEST NAME: Test Basic Record Construction <P>
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* OBJECTIVE: Test that the RecordFactory given the required parameters for know
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* OBJECTIVE: Test that the RecordFactory given the required parameters for know
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* record types can construct the proper record w/values.<P>
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* record types can construct the proper record w/values.<P>
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* SUCCESS: Record factory creates the records with the expected values.<P>
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* SUCCESS: Record factory creates the records with the expected values.<P>
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* FAILURE: The wrong records are creates or contain the wrong values <P>
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* FAILURE: The wrong records are creates or contain the wrong values <P>
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*
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*
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*/
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*/
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public void testBasicRecordConstruction() {
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public void testBasicRecordConstruction() {
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short recType = BOFRecord.sid;
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short recType = BOFRecord.sid;
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byte[] data = {
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byte[] data = {
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0, 6, 5, 0, -2, 28, -51, 7, -55, 64, 0, 0, 6, 1, 0, 0
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0, 6, 5, 0, -2, 28, -51, 7, -55, 64, 0, 0, 6, 1, 0, 0
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};
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};
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Record[] record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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Record[] record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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assertEquals(BOFRecord.class.getName(),
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assertEquals(BOFRecord.class.getName(),
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record[ 0 ].getClass().getName());
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record[ 0 ].getClass().getName());
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BOFRecord bofRecord = ( BOFRecord ) record[ 0 ];
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BOFRecord bofRecord = ( BOFRecord ) record[ 0 ];
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assertEquals(7422, bofRecord.getBuild());
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assertEquals(7422, bofRecord.getBuild());
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assertEquals(1997, bofRecord.getBuildYear());
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assertEquals(1997, bofRecord.getBuildYear());
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assertEquals(16585, bofRecord.getHistoryBitMask());
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assertEquals(16585, bofRecord.getHistoryBitMask());
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assertEquals(20, bofRecord.getRecordSize());
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assertEquals(20, bofRecord.getRecordSize());
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assertEquals(262, bofRecord.getRequiredVersion());
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assertEquals(262, bofRecord.getRequiredVersion());
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assertEquals(2057, bofRecord.getSid());
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assertEquals(2057, bofRecord.getSid());
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assertEquals(5, bofRecord.getType());
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assertEquals(5, bofRecord.getType());
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assertEquals(1536, bofRecord.getVersion());
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assertEquals(1536, bofRecord.getVersion());
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recType = MMSRecord.sid;
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recType = MMSRecord.sid;
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data = new byte[]
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data = new byte[] {
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{
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0, 0
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0, 0
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};
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};
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record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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assertEquals(MMSRecord.class.getName(),
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assertEquals(MMSRecord.class.getName(),
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record[ 0 ].getClass().getName());
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record[ 0 ].getClass().getName());
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MMSRecord mmsRecord = ( MMSRecord ) record[ 0 ];
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MMSRecord mmsRecord = ( MMSRecord ) record[ 0 ];
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assertEquals(0, mmsRecord.getAddMenuCount());
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assertEquals(0, mmsRecord.getAddMenuCount());
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assertEquals(0, mmsRecord.getDelMenuCount());
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assertEquals(0, mmsRecord.getDelMenuCount());
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assertEquals(6, mmsRecord.getRecordSize());
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assertEquals(6, mmsRecord.getRecordSize());
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assertEquals(193, mmsRecord.getSid());
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assertEquals(193, mmsRecord.getSid());
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}
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}
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/**
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/**
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* TEST NAME: Test Special Record Construction <P>
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* TEST NAME: Test Special Record Construction <P>
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* OBJECTIVE: Test that the RecordFactory given the required parameters for
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* OBJECTIVE: Test that the RecordFactory given the required parameters for
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* constructing a RKRecord will return a NumberRecord.<P>
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* constructing a RKRecord will return a NumberRecord.<P>
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* SUCCESS: Record factory creates the Number record with the expected values.<P>
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* SUCCESS: Record factory creates the Number record with the expected values.<P>
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* FAILURE: The wrong records are created or contain the wrong values <P>
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* FAILURE: The wrong records are created or contain the wrong values <P>
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*
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*
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*/
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*/
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public void testSpecial() {
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public void testSpecial() {
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short recType = RKRecord.sid;
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short recType = RKRecord.sid;
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byte[] data = {
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byte[] data = {
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0, 0, 0, 0, 21, 0, 0, 0, 0, 0
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0, 0, 0, 0, 21, 0, 0, 0, 0, 0
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};
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};
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Record[] record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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Record[] record = RecordFactory.createRecord(TestcaseRecordInputStream.create(recType, data));
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assertEquals(NumberRecord.class.getName(),
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assertEquals(NumberRecord.class.getName(),
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record[ 0 ].getClass().getName());
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record[ 0 ].getClass().getName());
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NumberRecord numberRecord = ( NumberRecord ) record[ 0 ];
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NumberRecord numberRecord = ( NumberRecord ) record[ 0 ];
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assertEquals(0, numberRecord.getColumn());
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assertEquals(0, numberRecord.getColumn());
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assertEquals(18, numberRecord.getRecordSize());
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assertEquals(18, numberRecord.getRecordSize());
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assertEquals(0, numberRecord.getRow());
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assertEquals(0, numberRecord.getRow());
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assertEquals(515, numberRecord.getSid());
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assertEquals(515, numberRecord.getSid());
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assertEquals(0.0, numberRecord.getValue(), 0.001);
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assertEquals(0.0, numberRecord.getValue(), 0.001);
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assertEquals(21, numberRecord.getXFIndex());
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assertEquals(21, numberRecord.getXFIndex());
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}
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}
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/**
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/**
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* TEST NAME: Test Creating ContinueRecords After Unknown Records From An InputStream <P>
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* TEST NAME: Test Creating ContinueRecords After Unknown Records From An InputStream <P>
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* OBJECTIVE: Test that the RecordFactory given an InputStream
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* OBJECTIVE: Test that the RecordFactory given an InputStream
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* constructs the expected array of records.<P>
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* constructs the expected array of records.<P>
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* SUCCESS: Record factory creates the expected records.<P>
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* SUCCESS: Record factory creates the expected records.<P>
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* FAILURE: The wrong records are created or contain the wrong values <P>
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* FAILURE: The wrong records are created or contain the wrong values <P>
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*
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*
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*/
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*/
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public void testContinuedUnknownRecord() {
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public void testContinuedUnknownRecord() {
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byte[] data = {
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byte[] data = {
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0, -1, 0, 0, // an unknown record with 0 length
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0, -1, 0, 0, // an unknown record with 0 length
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0x3C , 0, 3, 0, 1, 2, 3, // a continuation record with 3 bytes of data
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0x3C , 0, 3, 0, 1, 2, 3, // a continuation record with 3 bytes of data
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0x3C , 0, 1, 0, 4 // one more continuation record with 1 byte of data
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0x3C , 0, 1, 0, 4 // one more continuation record with 1 byte of data
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};
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};
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ByteArrayInputStream bois = new ByteArrayInputStream(data);
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ByteArrayInputStream bois = new ByteArrayInputStream(data);
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Record[] records = (Record[])
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Record[] records = (Record[])
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RecordFactory.createRecords(bois).toArray(new Record[0]);
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RecordFactory.createRecords(bois).toArray(new Record[0]);
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assertEquals("Created record count", 3, records.length);
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assertEquals("Created record count", 3, records.length);
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assertEquals("1st record's type",
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assertEquals("1st record's type",
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UnknownRecord.class.getName(),
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UnknownRecord.class.getName(),
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records[ 0 ].getClass().getName());
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records[ 0 ].getClass().getName());
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assertEquals("1st record's sid", (short)-256, records[0].getSid());
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assertEquals("1st record's sid", (short)-256, records[0].getSid());
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assertEquals("2nd record's type",
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assertEquals("2nd record's type",
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ContinueRecord.class.getName(),
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ContinueRecord.class.getName(),
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records[ 1 ].getClass().getName());
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records[ 1 ].getClass().getName());
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ContinueRecord record = (ContinueRecord) records[1];
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ContinueRecord record = (ContinueRecord) records[1];
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assertEquals("2nd record's sid", 0x3C, record.getSid());
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assertEquals("2nd record's sid", 0x3C, record.getSid());
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assertEquals("1st data byte", 1, record.getData()[ 0 ]);
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assertEquals("1st data byte", 1, record.getData()[ 0 ]);
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assertEquals("2nd data byte", 2, record.getData()[ 1 ]);
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assertEquals("2nd data byte", 2, record.getData()[ 1 ]);
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assertEquals("3rd data byte", 3, record.getData()[ 2 ]);
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assertEquals("3rd data byte", 3, record.getData()[ 2 ]);
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assertEquals("3rd record's type",
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assertEquals("3rd record's type",
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ContinueRecord.class.getName(),
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ContinueRecord.class.getName(),
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records[ 2 ].getClass().getName());
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records[ 2 ].getClass().getName());
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record = (ContinueRecord) records[2];
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record = (ContinueRecord) records[2];
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assertEquals("3nd record's sid", 0x3C, record.getSid());
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assertEquals("3nd record's sid", 0x3C, record.getSid());
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assertEquals("4th data byte", 4, record.getData()[ 0 ]);
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assertEquals("4th data byte", 4, record.getData()[ 0 ]);
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}
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}
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/**
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/**
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* Drawing records have a very strange continue behaviour.
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* Drawing records have a very strange continue behaviour.
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* There can actually be OBJ records mixed between the continues.
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* There can actually be OBJ records mixed between the continues.
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* Record factory must preserve this structure when reading records.
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* Record factory must preserve this structure when reading records.
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*/
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*/
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public void testMixedContinue() throws Exception {
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public void testMixedContinue() throws Exception {
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/**
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/**
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* Adapted from a real test sample file 39512.xls (Offset 0x4854).
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* Adapted from a real test sample file 39512.xls (Offset 0x4854).
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* See Bug 39512 for details.
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* See Bug 39512 for details.
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*/
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*/
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String dump =
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String dump =
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//OBJ
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//OBJ
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"5D 00 48 00 15 00 12 00 0C 00 3C 00 11 00 A0 2E 03 01 CC 42 " +
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"5D 00 48 00 15 00 12 00 0C 00 3C 00 11 00 A0 2E 03 01 CC 42 " +
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"CF 00 00 00 00 00 0A 00 0C 00 00 00 00 00 00 00 00 00 00 00 " +
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"CF 00 00 00 00 00 0A 00 0C 00 00 00 00 00 00 00 00 00 00 00 " +
|
||||||
"03 00 0B 00 06 00 28 01 03 01 00 00 12 00 08 00 00 00 00 00 " +
|
"03 00 0B 00 06 00 28 01 03 01 00 00 12 00 08 00 00 00 00 00 " +
|
||||||
"00 00 03 00 11 00 04 00 3D 00 00 00 00 00 00 00 " +
|
"00 00 03 00 11 00 04 00 3D 00 00 00 00 00 00 00 " +
|
||||||
//MSODRAWING
|
//MSODRAWING
|
||||||
"EC 00 08 00 00 00 0D F0 00 00 00 00 " +
|
"EC 00 08 00 00 00 0D F0 00 00 00 00 " +
|
||||||
//TXO (and 2 trailing CONTINUE records)
|
//TXO (and 2 trailing CONTINUE records)
|
||||||
"B6 01 12 00 22 02 00 00 00 00 00 00 00 00 10 00 10 00 00 00 00 00 " +
|
"B6 01 12 00 22 02 00 00 00 00 00 00 00 00 10 00 10 00 00 00 00 00 " +
|
||||||
"3C 00 11 00 00 4F 70 74 69 6F 6E 20 42 75 74 74 6F 6E 20 33 39 " +
|
"3C 00 11 00 00 4F 70 74 69 6F 6E 20 42 75 74 74 6F 6E 20 33 39 " +
|
||||||
"3C 00 10 00 00 00 05 00 00 00 00 00 10 00 00 00 00 00 00 00 " +
|
"3C 00 10 00 00 00 05 00 00 00 00 00 10 00 00 00 00 00 00 00 " +
|
||||||
// another CONTINUE
|
// another CONTINUE
|
||||||
"3C 00 7E 00 0F 00 04 F0 7E 00 00 00 92 0C 0A F0 08 00 00 00 " +
|
"3C 00 7E 00 0F 00 04 F0 7E 00 00 00 92 0C 0A F0 08 00 00 00 " +
|
||||||
"3D 04 00 00 00 0A 00 00 A3 00 0B F0 3C 00 00 00 7F 00 00 01 " +
|
"3D 04 00 00 00 0A 00 00 A3 00 0B F0 3C 00 00 00 7F 00 00 01 " +
|
||||||
"00 01 80 00 8C 01 03 01 85 00 01 00 00 00 8B 00 02 00 00 00 " +
|
"00 01 80 00 8C 01 03 01 85 00 01 00 00 00 8B 00 02 00 00 00 " +
|
||||||
"BF 00 08 00 1A 00 7F 01 29 00 29 00 81 01 41 00 00 08 BF 01 " +
|
"BF 00 08 00 1A 00 7F 01 29 00 29 00 81 01 41 00 00 08 BF 01 " +
|
||||||
"00 00 10 00 C0 01 40 00 00 08 FF 01 00 00 08 00 00 00 10 F0 " +
|
"00 00 10 00 C0 01 40 00 00 08 FF 01 00 00 08 00 00 00 10 F0 " +
|
||||||
"12 00 00 00 02 00 02 00 A0 03 18 00 B5 00 04 00 30 02 1A 00 " +
|
"12 00 00 00 02 00 02 00 A0 03 18 00 B5 00 04 00 30 02 1A 00 " +
|
||||||
"00 00 00 00 11 F0 00 00 00 00 " +
|
"00 00 00 00 11 F0 00 00 00 00 " +
|
||||||
//OBJ
|
//OBJ
|
||||||
"5D 00 48 00 15 00 12 00 0C 00 3D 00 11 00 8C 01 03 01 C8 59 CF 00 00 " +
|
"5D 00 48 00 15 00 12 00 0C 00 3D 00 11 00 8C 01 03 01 C8 59 CF 00 00 " +
|
||||||
"00 00 00 0A 00 0C 00 00 00 00 00 00 00 00 00 00 00 03 00 0B 00 06 00 " +
|
"00 00 00 0A 00 0C 00 00 00 00 00 00 00 00 00 00 00 03 00 0B 00 06 00 " +
|
||||||
"7C 16 03 01 00 00 12 00 08 00 00 00 00 00 00 00 03 00 11 00 04 00 01 " +
|
"7C 16 03 01 00 00 12 00 08 00 00 00 00 00 00 00 03 00 11 00 04 00 01 " +
|
||||||
"00 00 00 00 00 00 00";
|
"00 00 00 00 00 00 00";
|
||||||
byte[] data = HexRead.readFromString(dump);
|
byte[] data = HexRead.readFromString(dump);
|
||||||
|
|
||||||
List records = RecordFactory.createRecords(new ByteArrayInputStream(data));
|
List records = RecordFactory.createRecords(new ByteArrayInputStream(data));
|
||||||
assertEquals(5, records.size());
|
assertEquals(5, records.size());
|
||||||
assertTrue(records.get(0) instanceof ObjRecord);
|
assertTrue(records.get(0) instanceof ObjRecord);
|
||||||
assertTrue(records.get(1) instanceof DrawingRecord);
|
assertTrue(records.get(1) instanceof DrawingRecord);
|
||||||
assertTrue(records.get(2) instanceof TextObjectRecord);
|
assertTrue(records.get(2) instanceof TextObjectRecord);
|
||||||
assertTrue(records.get(3) instanceof ContinueRecord);
|
assertTrue(records.get(3) instanceof ContinueRecord);
|
||||||
assertTrue(records.get(4) instanceof ObjRecord);
|
assertTrue(records.get(4) instanceof ObjRecord);
|
||||||
|
|
||||||
//serialize and verify that the serialized data is the same as the original
|
//serialize and verify that the serialized data is the same as the original
|
||||||
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||||
for(Iterator it = records.iterator(); it.hasNext(); ){
|
for(Iterator it = records.iterator(); it.hasNext(); ){
|
||||||
Record rec = (Record)it.next();
|
Record rec = (Record)it.next();
|
||||||
out.write(rec.serialize());
|
out.write(rec.serialize());
|
||||||
}
|
}
|
||||||
|
|
||||||
byte[] ser = out.toByteArray();
|
byte[] ser = out.toByteArray();
|
||||||
assertEquals(data.length, ser.length);
|
assertEquals(data.length, ser.length);
|
||||||
assertTrue(Arrays.equals(data, ser));
|
assertTrue(Arrays.equals(data, ser));
|
||||||
}
|
}
|
||||||
|
|
||||||
public static void main(String [] ignored_args) {
|
public void testNonZeroPadding_bug46987() {
|
||||||
junit.textui.TestRunner.run(TestRecordFactory.class);
|
Record[] recs = {
|
||||||
}
|
new BOFRecord(),
|
||||||
|
EOFRecord.instance,
|
||||||
|
BOFRecord.createSheetBOF(),
|
||||||
|
EOFRecord.instance,
|
||||||
|
};
|
||||||
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||||
|
for (int i = 0; i < recs.length; i++) {
|
||||||
|
try {
|
||||||
|
baos.write(recs[i].serialize());
|
||||||
|
} catch (IOException e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//simulate the bad padding at the end of the workbook stream in attachment 23483 of bug 46987
|
||||||
|
baos.write(0x00);
|
||||||
|
baos.write(0x11);
|
||||||
|
baos.write(0x00);
|
||||||
|
baos.write(0x02);
|
||||||
|
for (int i = 0; i < 192; i++) {
|
||||||
|
baos.write(0x00);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
POIFSFileSystem fs = new POIFSFileSystem();
|
||||||
|
InputStream is;
|
||||||
|
try {
|
||||||
|
fs.createDocument(new ByteArrayInputStream(baos.toByteArray()), "dummy");
|
||||||
|
is = fs.getRoot().createDocumentInputStream("dummy");
|
||||||
|
} catch (IOException e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
|
||||||
|
List<Record> outRecs;
|
||||||
|
try {
|
||||||
|
outRecs = RecordFactory.createRecords(is);
|
||||||
|
} catch (RuntimeException e) {
|
||||||
|
if (e.getMessage().equals("Buffer underrun - requested 512 bytes but 192 was available")) {
|
||||||
|
throw new AssertionFailedError("Identified bug 46987");
|
||||||
|
}
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
assertEquals(4, outRecs.size());
|
||||||
|
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user